Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.




persicum's RSC32 is described as 'A high performance tool for file verification and error correction. Uses a Reed-Solomon Encoder to protect files from digital corruption, similar to QuickPar and MultiPar. Uses the FAR manager as its GUI' and is an app in the backup & sync category. There are seven alternatives to persicum's RSC32 for Windows, Linux, BSD and Mac. The best persicum's RSC32 alternative is MultiPar, which is free. Other great apps like persicum's RSC32 are checksum, Par-N-Rar, ICE ECC and DataHealthCheck.
Though console applications are open source (PAR clients are GPL), GUI application is closed source. Console applications and some UI resource are open source.




checksum is an easy-to-use, no-nonsense BLAKE2, SHA1 & MD5 hashing program for Windows, capable of creating & verifying hashes of files and folders, even whole drives, with just one or two clicks. It is robust, lightning fast, intuitive, and completely customizable.




Par-N-Rar is a graphical utility which accepts a directory as input and will repair/verify any PAR/PAR2/SFV/MD5 files in that directory. Once it verifies a set of files, it will attempt to unRAR them. Once it finishes unRARing a RAR archive, it will (optionally) remove the...

ICE ECC is a file verification and repair tool. ICE ECC allows you to protect your important files and sensitive data against digital corruption using Reed-Solomon codes
DataHealthCheck is a portable app to check your files for corruption or display their md5/sha1 hash. It is faster than other apps because it checks for corrupted files and update hashes of changed files in one pass.



MacPAR deLuxe is a utility program that runs on the Apple Macintosh. It is useful to you if you download (or upload) binary files from internet newsgroups (a.k.a. “Usenet”).
This software allows to generate MD (Message Digest) and SHA hashes from a file or files or files in a directory. Checksum is an value calculated from a content of file by special algorithm. You can also verify the file integrity of the downloaded document or program.

